* Reworked how post versioning works, now more closely resembles the 1.18 strategy

app/presenters/post_history_revision_presenter.rb

@@ -1,25 +0,0 @@
-class PostHistoryRevisionPresenter < Presenter
-  attr_reader :revision
-  
-  def initialize(revision)
-    @revision = revision
-  end
-  
-  def changes
-    html =  []
-    html << revision.diff[:del].map {|x| "<del>#{h(x)}</del>"}
-    html << revision.diff[:add].map {|x| "<ins>#{h(x)}</ins>"}
-    html << "<ins>source:#{h(revision.diff[:source])}</ins>" if revision.diff[:source].present?
-    html << "<ins>rating:#{h(revision.diff[:rating])}</ins>" if revision.diff[:rating].present?
-    html << "<ins>parent:#{revision.diff[:parent_id]}</ins>" if revision.diff[:parent_id].present?
-    html.join(" ").html_safe
-  end
-  
-  def updated_at
-    Time.parse(revision.updated_at)
-  end
-  
-  def updater_name
-    User.id_to_name(revision.user_id)
-  end
-end

app/presenters/post_version_presenter.rb

@@ -0,0 +1,21 @@
+class PostVersionPresenter < Presenter
+  attr_reader :post_version
+  
+  def initialize(post_version)
+    @post_version = post_version
+  end
+  
+  def changes
+    html =  []
+    html << post_version.del_tag_array.map {|x| "<del>#{h(x)}</del>"}
+    html << post_version.add_tag_array.map {|x| "<ins>#{h(x)}</ins>"}
+    html << "<ins>source:#{h(post_version.source)}</ins>" if post_version.source
+    html << "<ins>rating:#{h(post_version.rating)}</ins>" if post_version.rating
+    html << "<ins>parent:#{post_version.parent_id}</ins>" if post_version.parent_id
+    html.join(" ").html_safe
+  end
+  
+  def updater_name
+    User.id_to_name(post_version.updater_id)
+  end
+end